Question about Pentair 1.0 Hp Whisperflo Pump

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Low pressuere motor pump when i plug the vacumm drop 30 to 5psi

I have ah low pressure when i conect my vacum i have 30 psi and they drop to 5

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If your filter pressure is 30 psi it needs to be backwashed! Reson pressure drops when hooking up vacuum cleaner is reduced water flow will drop pressure

Posted on Aug 23, 2009

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this means a mechanical gauge test is required to check actual pressure warm idling if low below 20 psi then the oil pressure pump relief is stuck open or engine bearing are worn

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Your post is lacking any detail. However, if you are stating that the engine starts after being cranked but dies out (wont stay running) there are 2 ways the fuel pump is activated. When the key is first turned on, there is a 5 second fuel pump run (the ECM energizes the fuel pump relay). After the engine starts, the fuel pump relay will only stay energized when the oil pressure switch closes keeping the fuel pump relay on (oil pressure is above 5-7 psi). If the oil pressure switch is faulty or there is no oil pressure, the engine will stall just after starting.

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1 Answer

Pump stops suction when I try to vacum pool


1. Something is stopping the seal at the basket
2. The hose going to the filter housing is partially clogged or not sealed
3. If you have a 2nd filter basket before filter housing, clogged/not sealed
4. Filter is clogged and needs to be cleaned, not just dirt, but degreased
5. Leaking pressure valve if one is used

I had a large filter and regular pressure was well above 5 psi, (8 to 10psi) with everything cleaned and running, once vacuum hose was connected it jumped to 14 to 18 psi.

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1 Answer

Oil light flickers at idle in gear 1983 cadillac devill 4.1


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Please rate 4 thumbs up, if this helps! Thanks for using Fixya.com

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Describe your trouble shooting 91 gmc truck Problem Truck will start it won't idle you have to pump gas pedal to keep it running but it is fluttering the whole time. unhooked vac line to map sensor it will...


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1 Answer

Pump spinning but not getting up to speed then shuts off


You have a pressurized system using a pressure tank.This is a case of an air logged pressure tank. Meaning there is more air than water in the pressure tank. The pressure tank must hold 2/3 water and 1/3 air of its total volume. Installed at the tank is the air volume control to take care of this proportion. Should the air volume control malfunction or becomes defective, the air-water ratio is affected. And then,
the pressure tank becomes either air logged or water
logged.
SOLUTION:
1. Shut the power off, and open the discharge line
gate valve to flush the water in the pipe lines.
2. Open the drain plug of the pressure tank to empty
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3. Close the drain plug, and put the power on.
4. Start the pump, and set the flow control valve 1/4
open.
5. The pump will normally run.

Send your e-mail for us to know the results, and for
further assistance.


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1998 toyota camry,4,cylinder, 5 speed


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2 Answers

The pump builds up pressuer to 80 to100 psithe motor cant turn any more due the pressuer in the pump, can you tell me why this happens dayton compressor model 5Z592 5hp it had a 3phase motor when it was...


hi your problem sounds like the non return valve is either missing or is passing back pressure
the nrv should be on the hose that supplies the tank

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